В стеклянном толстостенном сосуде (эвдиометре) взорвали смесь 4 объемов водорода с 3 объемами кислорода. Найдите массу продукта реакции и объем непрореагировавшего газа

1. Does his child do well at school?
2. Do you need any farher instructions?
3. Our house is smaller than theirs.
4. My Granny has got  a cow, three sheep and a lot of hens and geese.
5. It is less hot today than it was yesterday.

1) Does his child ?
2) further
3) their's
4) sheep,... and geese.
5) It is not so hot today